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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790349594823429 4.9655e-08  
a 3.036972237427954 2.4496e-08 au
q 2.49324803595104 1.5049e-07 au
i 4.492483751382376 6.5577e-06 deg
node 14.2348206474524 6.7688e-05 deg
peri 65.93640207184538 7.0613e-05 deg
M 105.0245014267243 1.8948e-05 deg
tp 2457036.540668114932
(2015-Jan-14.04066812)
0.00010039 JED
period 1933.123763698847
5.29
2.3388e-05
6.403e-08
d
yr
n .1862270832112552 2.2531e-09 deg/d
Q 3.580696438904868 2.8881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1994-01-17  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:06:57  

Additional Information
 Earth MOID = 1.51139 au 
 Jupiter MOID = 1.70961 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO333400  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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